#21A597#21A597

#21A597 is a light, moderate teal. Relative luminance 0.295; OKLCH L 65.2% C 0.109 H 183.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#21A597
RGB	rgb(33, 165, 151)
HSL	hsl(174, 67%, 39%)
HSV	hsv(174, 80%, 65%)
CMYK	cmyk(80%, 0%, 8.5%, 35.3%)
CIE-LAB	lab(61.19, -36.99, -2.50)
CIE-LCH	lch(61.19, 37.07, 183.86°)
OKLab	oklab(65.19% -0.1086 -0.0073)
OKLCH	oklch(65.19% 0.109 183.9)
XYZ	xyz(19.6655, 29.4655, 33.9231)
Luminance	0.2947 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A597 #A5212F

analogous

#21A555 #21A597 #2171A5

triadic

#21A597 #9721A5 #A59721

tetradic

#21A597 #5521A5 #A5212F #71A521

square

#21A597 #5521A5 #A5212F #71A521

split-complementary

#21A597 #A52171 #A55521

monochromatic

#0D3F3A #177268 #21A597 #2ED5C3 #61DFD2

Accessibility & contrast

On white

3.05

#21A597 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#21A597 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A597

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A597	#FFFFFF	#000000	##000000
##21A597	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D9B97

Deuteranopia (green-blind)

#8B8E98

Tritanopia (blue-blind)

#00A9A1

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #21a597;
/* rgb */ color: rgb(33, 165, 151);
/* oklch */ color: oklch(65.2% 0.109 183.9);

Tailwind

colors: {
  custom: {
    50: '#75c0b5',
    500: '#21a597',
    950: '#000000',
  },
}

SCSS

$custom: #21a597;
$custom-light: #75c0b5;
$custom-dark: #000000;

JSON

{
  "hex": "#21a597",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 151
  },
  "hsl": {
    "h": 173.636,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.65194,
    "c": 0.10884,
    "h": 183.9
  },
  "luminance": 0.29468
}

Semantic roles & 50–950 ramp

primary

#21A597

secondary

#C45E68

accent

#3E50EA

background

#F7FBFB

surface

#EEF7F6

border

#C9D0D0

text

#0A1211

muted

#7C8180

Preview Lab

Preview with #21A597

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →